/*
 * Copyright 2007-2008 Brian Cavalier
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package  org.bc.iterate.view;

import java.util.Iterator;
import java.util.NoSuchElementException;

/**
 * A simple wrapper that allows Arrays to be used as Iterables for
 * the various Iterate methods.
 * 
 * @author Brian Cavalier
 * @see Iterator
 * @see Iterable
 * @see org.bc.iterate.Iterate
 */
public class ArrayView<T> extends AbstractView<T> {
	private int _index;
	private T[] _array;
	
	public ArrayView(T[] t) {
        //noinspection AssignmentToCollectionOrArrayFieldFromParameter
        _array = t;
	}
	
	public boolean hasNext() {
		return _index < _array.length;
	}
	
	public T next() {
        if(_index >= _array.length) {
            throw new NoSuchElementException();
        }
        return _array[_index++];
	}
}